Transcript for Benghazi Investigation Brings Hillary Clinton Under Fire
Back here at home and to the fallout from jon karl's exclusive reporting on benghazi and the obama administration response to the attack. John the first to show the changes made in talking points and e-mails exchanged at high levels of the state department. The political fallout, could it spell trouble long before hillary clinton says whether she's running three years from now. Reena ninan at the white house tonight. Reporter: The benghazi back lash turned into the first attack ad against the potential hillary clinton ruin 2016. What difference at this point does it make? The difference is a coverup and four american lives that deserve the truth. Reporter: The latest fallout after e-mails exclusive enurthed by jonathan karl detailed references to an al qaeda affiliated group. Removed and final talking points by u.N. Ambassador suszen rice last fall. Victoria new land asked for details to be dialed back, citing the information could be abused by members of congress to beat up the state department. Was politics injected in the situation in benghazi? You have to be total naive to belief that politics did not play some role. Republican senator rand paul says hillary clinton is not cut out to be president. It was inexcusable and it should preclude her from holding higher office. Reporter: There are five congressional committees still investigating benghazi. Likely not the last we've heard of this.
This transcript has been automatically generated and may not be 100% accurate.